12=4a-6a

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Solution for 12=4a-6a equation:


Simplifying
12 = 4a + -6a

Combine like terms: 4a + -6a = -2a
12 = -2a

Solving
12 = -2a

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '2a' to each side of the equation.
12 + 2a = -2a + 2a

Combine like terms: -2a + 2a = 0
12 + 2a = 0

Add '-12' to each side of the equation.
12 + -12 + 2a = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 2a = 0 + -12
2a = 0 + -12

Combine like terms: 0 + -12 = -12
2a = -12

Divide each side by '2'.
a = -6

Simplifying
a = -6

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